When a number is multiplied by 7 and the product is increased by 3, the result is . Let x represent the unknown number.

Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why?

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How do we find the greatest common factor of a polynomial? When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient?Can it ever be smaller tan the smallest Coefficient?

Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method?

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How is doing operations—adding, subtracting, multiplying, and dividing—with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use this skill in real life?

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When solving a rational equation, why it is OK to remove the denominator by multiplying both sides by the LCD and why can you not do the same operation when simplifying a rational expression?

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